Finding the Third Proportional to 487,311 and 730,966.50

Step by Step Solution

1. Step 1: Write the proportion equation
   487,311 : 730,966.50 = 730,966.50 : x
2. Step 2: Convert to fraction form
   487,311/730,966.50 = 730,966.50/x
3. Step 3: Cross multiply
   487,311x = 730,966.50 × 730,966.50
4. Step 4: Simplify right side
   487,311x = 534,312,024,122.25
5. Step 5: Solve for x
   x = 534,312,024,122.25/487,311
6. Step 6: Final answer
   x = 1,096,449.75